diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..ef5ebcd
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,9 @@
+[tool.ruff]
+include = ["snip/**/*.py", "tests/**/*.py"]
+
+[tool.ruff.lint]
+select = ["F", "E", "W"]
+ignore = []
+
+[tool.ruff.lint.per-file-ignores]
+"tests/*" = ["F401"]
\ No newline at end of file